MONOCOTYLEDONS. GIlAMlNEiE. Avciia. l/l 



subcompressed glabrous, florets imbricated depressed, awns 

 straight about as long as the glume, leaves slightly hairv. 

 p. 41. — Fields. 



6. Br. squarrosus, panicle drooping, peduncles simple, spikclcts 

 ovato-lanceolate subcompressed, florets nearly glabrous imbri- 

 cated depressed, awn divaricating, leaves pubescent, p. 42. — 

 Fields P 



7. Br. arvensis, panicle spreading (at length drooping) pedun- 

 cles branched, spikelets lanceolate compressed, florets imbri- 

 cated depressed glabrous about as long as the straight awn, 

 leaves hairy, p. 42. — Fields. 



8. Br. ereclus, panicle erect, spikelets linear-lanceolate com- 

 pressed, florets subcylindrical remote glabrous longer than the 

 straight awn, radical leaves very narrow ciliated, p. 42. — 

 Pastures. 



9. Br. asper, panicle branched droojiing, spikelets linear-lanceo- 

 late compressed, florets remote subcylindrical hairv longer than 

 the straight awn, leaves uniform the lower ones hairy, p. 42. — 

 IVbods. 



10. Br. sterilis, panicle drooping slightly branched, spikelets 

 linear-lanceolate, florets remote subcylindrical scabrous shorter 

 than the straight awn, leaves jjubescent. p. 43. — Hed^j^es. 



11. Br. diandrus, panicle erect slightly branched, spikelets li- 

 near-lanceolate, florets remote subcyhndrical subscabrousaI)out 

 as long as the straight awn, stam. 2 (sometimes 3, Sc/irad.), 

 leaves subglabrous. p. 43. — Hedges. 



2.>. A^'ENA. 

 Ghime 2-VB.\ved, many-flowered. Perianth bivalved ; valves lan- 

 ceolate, firmly inclosing the caryopsis; exl. one beari n 

 twisted atvn on its back. 



1. A. ya/z/a, panicle erect, spikelets drooping of about 3 flowers, 

 florets smaller than the glume hairv below, root fibrous (annual). 

 p. 43. — Fields. 



2. A. puliescens, panicle erect nearly simple, spikelets of about 

 3 flowers which are longer than the glume, their pedicels vil- 

 lous, leaves plane downy, edges smooth, p. 43. — Hilli/ pas- 

 tures. 



3. A. planiadmis, panicle erect slightly branched (subspicatc), 

 spikelets of about 5 flowers which are much longer tlian the 

 glume, margins of the leaves and the sheaths scabrous, culms 

 and sheaths compressed, p. 43. — Alps. 



4. A. pratensis, raceme erect simple, spikelets of about.") flowers 

 which are longer than the glume, leaves glabrous finely serra- 

 ted, lower ones involute, p. 44. — Mountain pastures'. 



5. A. Jlavescens, panicle much branched lax, spikelets of about 



